103 lines
2.9 KiB
Rust
103 lines
2.9 KiB
Rust
//! A simple 3D scene with light shining over a cube sitting on a plane.
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use bevy::prelude::*;
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use bevy_mod_openxr::add_xr_plugins;
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use bevy_mod_xr::session::XrSessionCreated;
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use bevy_xr_utils::tracking_utils::{
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TrackingUtilitiesPlugin, XrTrackedLeftGrip, XrTrackedLocalFloor, XrTrackedRightGrip,
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XrTrackedStage, XrTrackedView,
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};
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fn main() {
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let mut app = App::new();
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app.add_plugins(add_xr_plugins(DefaultPlugins));
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app.add_systems(Startup, setup);
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//things?
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app.add_systems(XrSessionCreated, spawn_hands);
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//tracking utils plugin
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app.add_plugins(TrackingUtilitiesPlugin);
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app.run();
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}
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/// set up a simple 3D scene
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fn setup(
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mut commands: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<StandardMaterial>>,
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) {
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// circular base
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commands.spawn((
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Mesh3d(meshes.add(Circle::new(4.0))),
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MeshMaterial3d(materials.add(Color::WHITE)),
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Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)),
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));
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// light
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commands.spawn((
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PointLight {
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shadows_enabled: true,
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..default()
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},
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Transform::from_xyz(4.0, 8.0, 4.0),
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));
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commands.spawn((
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Camera3d::default(),
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Transform::from_xyz(-2.5, 4.5, 9.0).looking_at(Vec3::ZERO, Vec3::Y),
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));
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}
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fn spawn_hands(
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mut cmds: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<StandardMaterial>>,
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) {
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let left = cmds
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.spawn((
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Mesh3d(meshes.add(Cuboid::new(0.1, 0.1, 0.05))),
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MeshMaterial3d(materials.add(Color::srgb_u8(124, 144, 255))),
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Transform::from_xyz(0.0, 0.5, 0.0),
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XrTrackedLeftGrip,
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))
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.id();
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let bundle = (
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Mesh3d(meshes.add(Cuboid::new(0.1, 0.1, 0.05))),
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MeshMaterial3d(materials.add(Color::srgb_u8(124, 144, 255))),
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Transform::from_xyz(0.0, 0.5, 0.0),
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XrTrackedRightGrip,
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);
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let right = cmds.spawn(bundle).id();
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//head
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let head = cmds
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.spawn((
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Mesh3d(meshes.add(Cuboid::new(0.2, 0.2, 0.2))),
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MeshMaterial3d(materials.add(Color::srgb_u8(255, 144, 144))),
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Transform::from_xyz(0.0, 0.0, 0.0),
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XrTrackedView,
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))
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.id();
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//local_floor emulated
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let local_floor = cmds
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.spawn((
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Mesh3d(meshes.add(Cuboid::new(0.5, 0.1, 0.5))),
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MeshMaterial3d(materials.add(Color::srgb_u8(144, 255, 144))),
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Transform::from_xyz(0.0, 0.0, 0.0),
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XrTrackedLocalFloor,
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))
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.id();
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let stage = cmds
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.spawn((
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Mesh3d(meshes.add(Cuboid::new(0.5, 0.1, 0.5))),
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MeshMaterial3d(materials.add(Color::srgb_u8(144, 255, 255))),
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Transform::from_xyz(0.0, 0.0, 0.0),
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XrTrackedStage,
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))
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.id();
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cmds.entity(stage)
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.add_children(&[left, right, head, local_floor]);
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}
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